@mixin center ($px:1200px) {
    margin: auto;
    width: $px;
}

@mixin fontstyle() {
    font-size: 14px;
    line-height: 0;
    position: relative;
}

.footer {
    clear: both;
    padding-top: 10px;
    border-top: 1px solid #DFDFDF;
    &-top {
        @include center();
        ul,
        li {
            float: left;
        }
        ul {
            padding: 0 85px 16px;
            li {
                text-align: center;
                padding: 5px 40px;
                 :first-child {
                    color: #77BE22;
                    font-size: 45px;
                }
                 :nth-child(2) {
                    font-size: 18px;
                    color: #636363;
                    position: relative;
                    bottom: 10px;
                    margin-left: 5px;
                }
                 :last-child {
                    padding-left: 20px;
                    color: #DDD6D0;
                    font-size: 40px;
                    font-family: '宋体';
                }
            }
        }
    }
    &-middle {
        clear: both;
        @include center(1000px);
        height: 200px;
        background-color: #F8F8F8;
        &-logo {
            float: left;
            margin-top: 70px;
            margin-left: 15px;
        }
        &-nav1 {
            float: left;
            color: #5F6364;
            font-size: 13px;
            line-height: 27px;
            padding-top: 32px;
            padding-left: 35px;
            margin-right: 60px;
            ul {
                 :first-child {
                    font-weight: bold;
                    font-size: 15px;
                    line-height: 32px;
                }
            }
        }
    }
    &-bottom {
        padding-top: 16px;
        @include center(490px);
        font-size: 12px;
        ul,
        li {
            float: left;
        }
        ul {
            span {
                padding: 0 18px;
            }
        }
    }
    &-bottom1 {
        clear: both;
        @include center(620px);
        padding-top: 8px;
        font-size: 12px;
        ul,
        li {
            float: left;
        }
        ul {
            span {
                padding: 0 18px;
            }
        }
    }
}